Engine
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Out of stock
V-Twin - 15-0393 - V-Twin Head Base Gasket Kit
Gary Bang
$27.92V-Twin - 15-0393 - V-Twin Head Base Gasket KitDescriptionHead base gasket set with .040 gasket, beaded, veloprene coated with 4 O-Rings. Fits:XL 1986-2003Additional Information UOM4 - SET MeasurementsAdditional InformationInner Diameter: 3.724" ...$27.92 -
Out of stock
V-Twin - 15-0314 - Head Gasket Kit
Gary Bang
$58.67V-Twin - 15-0314 - Head Gasket KitDescriptionCopper 3-5/8" head gasket kit. Fits:Replacement for S&S Sidewinder kitsAdditional Information UOM1 - KIT ManufacturerGary Bang OriginImported 2025 Catalog Pages192$58.67 -
Out of stock
V-Twin - 15-0084 - Primary Side Mount Gasket
V-Twin Mfg
$18.70V-Twin - 15-0084 - Primary Side Mount GasketDescriptionPrimary side mount gasket is for use in 1.4 Kw electric start kits. This gasket is used on the primary side of the adapter plate. Fits:FL 1965-1984Additional Information UOM1 - EA ...$18.70 -
Out of stock
V-Twin - 15-0064 - AFM Primary Cover Gasket Kit
V-Twin Mfg
$151.83V-Twin - 15-0064 - AFM Primary Cover Gasket KitDescriptionAFM primary cover gasket kit is a three piece kit.*NOTE: AFM denotes foam surface that is bonded to aluminum. Fits:FXR 1994-2006FLT 1994-2006Additional Information UOM1 - KIT ManufacturerV-Twin ...$151.83 -
Out of stock
V-Twin - 15-0008 - UL Motor Gasket Kit
V-Twin Mfg
$75.48V-Twin - 15-0008 - UL Motor Gasket KitDescriptionUl motor engine gasket kit without head gaskets.Order copper head gaskets separately. Fits:UL 1936-1948 74" and 80"Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported$75.48 -
Out of stock
V-Twin - 15-0003 - OE Gasket Kit for Black Inner Primary
OE
MSRP: $79.91$77.91V-Twin - 15-0003 - OE Gasket Kit for Black Inner PrimaryDescriptionOE gasket kit for black inner primary is the finishing touch needed after the primary has been removed. The gasket kit elminates the shadow between the engine and primary.Kit includes all...MSRP: $79.91$77.91 -
Out of stock
V-Twin - 14-1412 - Accelerator Pump O-ring
V-Twin Mfg
$15.72V-Twin - 14-1412 - Accelerator Pump O-ringDescriptionAccelerator pump o-ring. Fits:FL 1976-1985FLH 1976-1985Additional Information OEM No.27360-76 UOM1 - EA ManufacturerV-Twin OriginImported$15.72 -
Out of stock
V-Twin - 14-1002 - Keihin Flat Seal Ring
V-Twin Mfg
$37.28V-Twin - 14-1002 - Keihin Flat Seal RingDescriptionKeihin flat seal ring is used for 1976-1987 Keihin carburetors.Sold in a pack of 5. Fits:XL 1976-1987FXD 1976-1992FLST 1976-1992Additional Information UOM5 - PK ManufacturerV-Twin OriginImported$37.28 -
Out of stock
V-Twin - 14-0904 - V-Twin Rocker Arm O-Ring
V-Twin Mfg
$13.72V-Twin - 14-0904 - V-Twin Rocker Arm O-RingDescriptionRocker arm o-ring is sold in a pack of ten. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.11101 UOM10 - PK ManufacturerV-Twin OriginUSA 2025 Catalog...$13.72 -
Out of stock
V-Twin - 14-0744 - 45 Transmission Sprocket Seal
V-Twin Mfg
$21.03V-Twin - 14-0744 - 45 Transmission Sprocket SealDescription45 transmission sprocket seal. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - EA ManufacturerV-Twin OriginImported$21.03 -
Out of stock
V-Twin - 14-0743 - 45 Transmission Sprocket Seal Ring Steel
V-Twin Mfg
$21.03V-Twin - 14-0743 - 45 Transmission Sprocket Seal Ring SteelDescription45 transmission sprocket seal ring features a steel finish. Sprocket seal holds countershaft sprocket in place. Fits:G 1941-1973W 1941-1952Additional Information UOM1 - EA ...$21.03 -
Out of stock
V-Twin - 14-0687 - James Map Sensor Oil Seal
James Gaskets
MSRP: $23.86$20.28V-Twin - 14-0687 - James Map Sensor Oil SealDescriptionOil seal for map sensor Fits:FLST 1999-2017 TC-88FLT 1999-2016 TC-88FXST 1999-2017 TC-88FXD 1999-2017 TC-88Additional Information OEM No.11291 UOM10 - PK ManufacturerJames OriginUSA 2025 Catalog...MSRP: $23.86$20.28 -
Out of stock
V-Twin - 14-0641 - James Clutch Release Gear Oil Seal
James Gaskets
MSRP: $23.51$21.98V-Twin - 14-0641 - James Clutch Release Gear Oil SealDescriptionOil seal for clutch release gear Fits:K 1953-1956XL 1957-1970Additional Information OEM No.37339-53 UOM10 - PK ManufacturerJames OriginUSA 2025 Catalog Pages1315MSRP: $23.51$21.98 -
Out of stock
V-Twin - 14-0185 - Left Side Crankcase Seal
V-Twin Mfg
MSRP: $11.02$10.02V-Twin - 14-0185 - Left Side Crankcase SealDescriptionLeft side engine case seal.. Fits:FL 1969-1969Additional Information OEM No.24031-69 UOM1 - EA MeasurementsAdditional InformationInner Diameter: 1-1/4"Outer Diameter: 2-1/2" ...MSRP: $11.02$10.02 -
Out of stock
V-Twin - 14-0027 - Pushrod Cover Seal Kit
V-Twin Mfg
$16.14V-Twin - 14-0027 - Pushrod Cover Seal KitDescriptionThis quad type pushrod cover seal kit includes enough pieces to seal 4 complete pushrod covers.Sold as a 12 piece kit. Fits:FLT 1979-1983FL 1980-1984FXR 1982-1983Additional Information UOM1 - KIT ...$16.14 -
Out of stock
V-Twin - 14-0005 - M8 Primary Derby O-Rings
V-Twin Mfg
$39.64V-Twin - 14-0005 - M8 Primary Derby O-RingsDescriptionPrimary derby o-rings for M8 models.Sold as a pack of 5. Fits:FLSB 2019-2022FXBR 2019-2019FXSDRS 2019-2020FXFB 2019-2020FLHCS 2019-2022FXLRS 2020-2022FLFB 2019-2020FXLRST 2022-2022FXRST 2022-2022FXBB...$39.64 -
Out of stock
V-Twin - 14-0000 - Breather Sealing Washer Set 5 inch
V-Twin Mfg
$15.35V-Twin - 14-0000 - Breather Sealing Washer Set 5 inchDescription1/2" inner diameter 8 pieces washer set features 4 nylon and 4 steel washer for 1/2" breather bolts or heads.Sold as a set of 8. Fits:XL 1991-UPFXR 1993-1999FXD 1993-1999FXST 1993-1999FLST...$15.35 -
Out of stock
V-Twin - 13-9194 - Valve Spring Kit
Motorshop
$87.69V-Twin - 13-9194 - Valve Spring KitDescriptionValve spring kit includes all springs, collars and keepers necessary for application. Fits:FL 1980-1981FLT 1980-1981FX 1980-1981Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025...$87.69 -
Out of stock
V-Twin - 13-9175 - Sifton Valve Spring
Sifton
$53.33V-Twin - 13-9175 - Sifton Valve SpringDescriptionSifton valve springs only.Set of eight. Fits:XL 1983-1985Additional Information OEM No.18203-83 UOM1 - SET ManufacturerSifton OriginUSA 2025 Catalog Pages853$53.33 -
Out of stock
V-Twin - 13-0482 - Valve Spring Kit Black
Sifton
MSRP: $15.88$15.72V-Twin - 13-0482 - Valve Spring Kit BlackDescriptionSifton black valve spring kit includes four outer springs, four inner springs, four lower collars, four upper collars, and four pair of keepers necessary for application. Fits:EL 1936-1940FL...MSRP: $15.88$15.72 -
Out of stock
V-Twin - 13-0190 - 45 inch WR Valve Spring Set
V-Twin Mfg
$81.09V-Twin - 13-0190 - 45 inch WR Valve Spring SetDescriptionValve spring 4 piece set features a parkerized finish for 45" WR models. Fits:W 1937-1952Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages802$81.09 -
Out of stock
V-Twin - 12-9931 - Replica Cast Iron Oil Pump Assembly
Motorshop
$440.59V-Twin - 12-9931 - Replica Cast Iron Oil Pump Assembly Description Replica cast iron oil pump assembly includes the correct oil pressure switch.Assembly is exact for the years listed! Outer cover is die cast as original for accurate restoration details...$440.59 -
Out of stock
V-Twin - 12-9886 - Cam Chest Breather Valve Washer .140
Motorshop
$4.36V-Twin - 12-9886 - Cam Chest Breather Valve Washer .140 Description .140 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25327-79 UOM 1 -...$4.36 -
Out of stock
V-Twin - 12-9885 - Cam Chest Breather Valve Washer .135
Motorshop
$5.88V-Twin - 12-9885 - Cam Chest Breather Valve Washer .135 Description .135 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25326-79 UOM 1 -...$5.88 -
Out of stock
V-Twin - 12-9884 - Cam Chest Breather Valve Washer .130
Motorshop
$5.88V-Twin - 12-9884 - Cam Chest Breather Valve Washer .130 Description .130 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25325-79 UOM 1 -...$5.88 -
Out of stock
V-Twin - 12-9883 - Cam Chest Breather Valve Washer .125
Motorshop
$5.88V-Twin - 12-9883 - Cam Chest Breather Valve Washer .125 Description .125 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25323-79 UOM 1 -...$5.88 -
Out of stock
V-Twin - 12-9882 - Cam Chest Breather Valve Washer .120
Motorshop
$2.82V-Twin - 12-9882 - Cam Chest Breather Valve Washer .120 Description .120 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25322-79 UOM 1 -...$2.82 -
Out of stock
V-Twin - 12-9881 - Cam Chest Breather Valve Washer .115
Motorshop
$5.88V-Twin - 12-9881 - Cam Chest Breather Valve Washer .115 Description .115 Steel cam chest breather valve washer with a Large hole. Fits: FLT 1979-1981 FX 1979-1981 FL 1979-1981 Additional Information OEM No. 25321-79 UOM 1 -...$5.88 -
Out of stock
V-Twin - 12-6271 - Oil Pump Assembly
Motorshop
$515.63V-Twin - 12-6271 - Oil Pump Assembly Description Oil pump assembly includes all parts assembled. Fits: XLH 1962-1971 XLCH 1962-1971 Additional Information UOM 1 - EA Manufacturer Motorshop Origin Imported 2025 Catalog...$515.63 -
Out of stock
V-Twin - 12-4512 - Engine Case Roller Bearings .0004
Motorshop
$29.69V-Twin - 12-4512 - Engine Case Roller Bearings .0004 Description Torrington engine case roller bearings, .0004" oversize. Fits: UL 1940-1948 FXR 1982-1986 FLT 1979-1986 FXST 1984-1986 FX 1971-1984 FLST 1986-1986 FL 1958-1984 FL...$29.69 -
Out of stock
V-Twin - 12-2129 - Oil Pump Stud
V-Twin Mfg
$19.88V-Twin - 12-2129 - Oil Pump Stud Description Short type oil pump stud with a 1/4" x 24 thread. Stud measures 1/4"x 1-7/16" long.Sold in a pack of 5. Fits: FL 1941-1954 Additional Information OEM No. 24819-37 UOM 5 - PK Manufacturer V-Twin ...$19.88 -
Out of stock
V-Twin - 12-1947 - Cast Iron Oil Pump Sub Assembly
Motorshop
$576.11V-Twin - 12-1947 - Cast Iron Oil Pump Sub Assembly Description Cast iron oil pump assembly includes cast outer cover without rotator. Pump is fitted with the later type oil pump relief valve kit.Cover has correct shape for 1948-1949 models and does not...$576.11 -
Out of stock
V-Twin - 12-1872 - Oil Pump Feed Gear
Motorshop
$33.59V-Twin - 12-1872 - Oil Pump Feed GearDescriptionOil pump feed gear features slots on each side of the surface. Fits:XL 1962-1971Additional Information OEM No.26323-62 UOM1 - EA ManufacturerMotorshop OriginUSA 2025 Catalog Pages863$33.59 -
Out of stock
V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut Set
Sifton
$27.24V-Twin - 12-1765 - Sifton Thin Tappet Lock Nut SetDescriptionSifton thin tappet lock nuts with 5/16" x 32 thread for solid tappets on Big Twin and Sportster models.Easy installation allows the pushrod covers and pushtods as the tappet can be lowered more...$27.24 -
Out of stock
V-Twin - 12-1763 - Head Breather Stud Zinc
Motorshop
MSRP: $44.55$43.66V-Twin - 12-1763 - Head Breather Stud ZincDescriptionHead breather stud is zinc plated with a thread of 5/16 x 24. Fits:EL 1936-1938Additional Information UOM1 - EA ManufacturerMotorshop OriginImported 2025 Catalog Pages553MSRP: $44.55$43.66 -
Out of stock
V-Twin - 12-1568 - Replica Cam Chest Breather Valve Standard Size
V-Twin Mfg
$100.08V-Twin - 12-1568 - Replica Cam Chest Breather Valve Standard SizeDescriptionReplica standard size cam chest breather valve is constructed of precision ground steel with screen installed.Order thrust washers separately. ...$100.08 -
Out of stock
V-Twin - 12-1541 - Cam Chest Breather Kit
Motorshop
$45.05V-Twin - 12-1541 - Cam Chest Breather KitDescriptionCam chest breather kit includes cam chest breather deflector pinion shaft breather seal spring, breather pipe, and oil transfer valve. Fits:XL 1957-1978KH 1954-1956Additional Information UOM1 - KIT ...$45.05 -
Out of stock
V-Twin - 12-1502 - Distributor Drive Gear
Motorshop
$109.36V-Twin - 12-1502 - Distributor Drive GearDescriptionDistributor drive gear features an overall width of 1.7750". Includes inner and outer pressed in bushings. Fits:FL 1941-1969EL 1936-1952Additional Information UOM1 - EA ManufacturerMotorshop ...$109.36 -
Out of stock
V-Twin - 12-1486 - Oil Pump Relief Valve Kit
Motorshop
$45.05V-Twin - 12-1486 - Oil Pump Relief Valve KitDescriptionOil pump relief valve kit includes spring, plug and valve. Fits:FLT 1981-1998FXD 1991-1999FXR 1982-1994FL 1981-1984FLST 1986-1998FX 1981-1984Additional Information UOM1 - KIT ManufacturerMotorshop ...$45.05 -
Out of stock
V-Twin - 12-1478 - Oil Pump Bypass Valve Kit
Motorshop
MSRP: $67.13$66.46V-Twin - 12-1478 - Oil Pump Bypass Valve KitDescriptionOil pump bypass valve kit includes spring, plug and screw. Fits:UL 1937-1948G 1941-1973WL 1941-1952VL 1933-1936Additional Information UOM1 - KIT ManufacturerMotorshop OriginUSA 2025 Catalog...MSRP: $67.13$66.46
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.